| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| a metal surface is illuminated by light | 0.79 | 0.2 | 5677 | 16 | 39 |
| a | 1.01 | 0.8 | 6143 | 32 | 1 |
| metal | 1.86 | 0.5 | 2403 | 14 | 5 |
| surface | 0.36 | 0.8 | 3321 | 87 | 7 |
| is | 0.63 | 0.8 | 5265 | 40 | 2 |
| illuminated | 1.41 | 0.9 | 3841 | 72 | 11 |
| by | 0.79 | 0.2 | 5422 | 23 | 2 |
| light | 1.28 | 1 | 4939 | 38 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| a metal surface is illuminated by light | 0.6 | 0.3 | 8529 | 50 |
| when a metal surface is illuminated by light | 1.78 | 0.6 | 9669 | 62 |
| a metal surface is illuminated by radiation | 0.96 | 1 | 915 | 68 |
| a metal surface is illuminated alternatively | 0.93 | 0.8 | 5699 | 78 |
| a metallic surface is illuminated | 2 | 0.4 | 259 | 1 |
| surface of certain metal is first illuminated | 1.86 | 1 | 6100 | 64 |
| a photoelectric surface is illuminated | 1.87 | 0.1 | 7575 | 66 |
| what is a light metal | 1.28 | 0.3 | 2079 | 37 |
| ability of a metal to reflect light | 1.34 | 0.4 | 517 | 94 |
| light is reflected off a surface | 1 | 0.6 | 2018 | 71 |
| what is surface light | 1.87 | 1 | 2596 | 82 |
| the unit of illuminance on a surface | 1.07 | 0.7 | 2065 | 23 |
| does metal reflect light | 0.92 | 1 | 2976 | 21 |
| reflection and metal surface | 0.08 | 0.2 | 4045 | 27 |
| light-emitting surface | 1.42 | 0.4 | 4860 | 44 |
